Datasheet

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MAX3748H
Compact, Low-Power, 155Mbps to 4.25Gbps
Limiting Amplifier
Typical Operating Circuits (continued)
MAX3744 TIA
R1
3kΩ
C1
0.1µF
IN+
IN-
THRSSI
DISABLE LOS
0.1µF
OUTPOL CAZ1 CAZ2V
CC
GND
4.7kΩ TO 10kΩ
V
CC_HOST
LOS
OUT+
50Ω
0.1µF
OUT-
50Ω
0.1µF
SerDes
R
TH
SUPPLY FILTER HOST FILTER
V
CC_RX
5-PIN TO HEADER
HOST BOARDSFP OPTICAL RECEIVER
PIN OR
APD
V
CC
(3.3V OR APD
REFERENCE VOLTAGE)
V
CC
(3.3V)
MAX3748H
3-INPUT DIAGNOSTIC
MONITOR
DS1858
MAX3744 TIA
IN+
IN-
RSSI
TH
DISABLE LOS
0.1µF
OUTPOL CAZ1 CAZ2V
CC
GND
LOS
OUT+
50Ω
OUT-
50Ω
C
IN
0.1µF
C
OUT
0.1µF
C
OUT
0.1µF
C
IN
0.1µF
SerDes
R
TH
SUPPLY FILTER HOST FILTER
V
CC_RX
5-PIN TO HEADER
HOST BOARDSFP OPTICAL RECEIVER
PIN OR
APD
V
CC
(3.3V OR APD
REFERENCE VOLTAGE)
V
CC
(3.3V)
HIGH-SIDE
CURRENT SENSE
MAX3748H
4.7k
Ω TO 10kΩ
V
CC_HOST
3-INPUT DIAGNOSTIC
MONITOR
DS1858